Heightened radioactivity levels were found outside a nuclear waste tank in the US state of Washington, officials said Friday, in a new alert about a site used to make Cold War-era bombs. Governor Jay Inslee said there was no immediate public...

At least six underground tanks containing nuclear waste in the northwestern US state of Washington are leaking, but there is no imminent threat to public health, a spokeswoman said Friday. The US Energy Department told the state last week that...